Exploratory trial for confirmation of safety on the mask with the ingredient of cinnamon bark extraction

Exploratory trial for confirmation of safety on the mask with the ingredient of cinnamon bark extraction - Trial for confirmation of saefty on the mask with the ingredient of cinnamon bark extraction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000015935

Enrollment

Registered

2015-01-12

Start date

2015-01-12

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

influenza

Interventions

the mask with the ingredient of cinnamon bark extraction

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) A person who is available with the mask for four weeks 2) A person who agrees with the participation for this study

Exclusion criteria

Exclusion criteria: 1) A person who has an allergy to cinnamon bark 2) A person with the infectious disease that fever more than or equal to 38 degrees Celsius continues. 3) A person with bronchial asthma and serious respiratory diseases 4) A person who is pregnant or may be pregnant 5) Moreover, a person who is evaluated by doctor as an unsuitable for this study

Design outcomes

Primary

Measure	Time frame
Mask loading ratio Influenza infection Fever	—

Countries

Japan

Contacts

Public ContactTAKAO NAMIKI

Graduate School of Medicine, Chiba University Department of Japanese-Oriental (Kampo) Medicine

tnamiki@faculty.chiba-u.jp+81-43-222-7171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026